#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main()
{
	float num1 = 0.0, num2 = 0.0;
	char Operator;
	scanf("%f%c%f", &num1, &Operator, &num2);
    switch(Operator )
	{
	case '+':
		printf("%.4f+%.4f=%.4f\n", num1, num2, num1 + num2);
		break;
	case '-':
		printf("%.4f-%.4f=%.4f\n", num1, num2, num1 - num2);
		break;
	case '*':
		printf("%.4f*%.4f=%.4f\n", num1, num2, num1 * num2);
		break;
	case '/':
		if (0 == num2)
		{
			printf("Wrong!Division by zero!\n");
			break;
		}
		else
		{
			printf("%.4f/%.4f=%.4f\n", num1, num2, num1 / num2);
			break;
		}
	default:
		printf("Invalid operation!\n");
	}
	return 0;
}
